Explores chains and belts, including demonstrations of different types of roller chain, round and toothed belts

LED history, brightness and color, use in diorama, addressable LED strips, and power LEDs for home lighting

An overview on how electrical switches work, and how to use microswitches for sensing and power switching in projects.

Explores springs, their manufacture, properties, and several different types of springs with their use cases

A wide variety of connectors are shown and their operation explained, including their benefits, drawbacks and how they may be used in equipment

Explores different types of glue, their properties and uses

A wide variety of bearings, bushes, and races are explained with their uses and properties including materials and lubrication